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Finding the Fourth Proportional to 365,028.32, 547,355.40 and 194,346.92

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Solution

The fourth proportional to 365,028.32, 547,355.40 and 194,346.92 is: 291,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,028.32 : 547,355.40 = 194,346.92 : x
  2. Step 2: Convert to fraction form
    365,028.32/547,355.40 = 194,346.92/x
  3. Step 3: Cross multiply
    365,028.32x = 547,355.40 × 194,346.92
  4. Step 4: Simplify right side
    365,028.32x = 106,376,836,135.37
  5. Step 5: Solve for x
    x = 106,376,836,135.37/365,028.32
  6. Step 6: Final answer
    x = 291,420.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.